388639048

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{31121}}^1$

素因数の和:31357

約数の個数: 32

約数和(自身を含む): 836559360

約数和(自身を除く): 447920312

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1784, 3122, 6244, 12488, 31121, 62242, 124484, 217847, 248968, 435694, 871388, 1742776, 6939983, 13879966, 27759932, 48579881, 55519864, 97159762, 194319524, 388639048]

約数ペア:

[(1, 388639048), (2, 194319524), (4, 97159762), (7, 55519864), (8, 48579881), (14, 27759932), (28, 13879966), (56, 6939983), (223, 1742776), (446, 871388), (892, 435694), (1561, 248968), (1784, 217847), (3122, 124484), (6244, 62242), (12488, 31121)]